Question

Question 1
Use a suitable identity to get each of the following products.
(a) (p - 11) (p + 11)

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Answer 1

Answer:

(p-11)(p+11) by using a²-b²=(a-b)(a+b)

=p²-11²

=p²-121

Answer 2

Answer:

1. $p ^{2} - 11^{2}$